Feature: 1. High Precision: With stepper motor to drive the pointer, has high indication accuracy, good repeatability, strong versatility, reliable and stable, simple and easy to use. 2. Solid Structure: 316L stainless steel cover bezel, IP67 waterproof anti fog glass, shock and vibration resistant, will not corrode or rust even in harsh environment. 3. Multifunctional: 0‑3000RPM and 9999.9H engine speed range, with Engines Stop, Start/ON/OFF, low oil pressure, water temperature alarm, backlight and warm up button. 4. Applicable: Can be used in engines, generator sets, RVs, yachts, fishing boats, ships, engineering machinery, agricultural machinery, modified vehicles and other fields. 5. Installation: 210x160mm installation area, space saving, and the back harness connector has a snap to ensure a firm connection between the instrument and the harness. Specification: Item Type: Marine Instrument PanelMaterial: Aluminum alloy + ABS + stainless steel + tempered glass .Working Voltage: DC12V circuit system or DC24V circuit system Operating Current: ≤ 100 MA Operating Temperature: -30 ° C to + 75 ° C Storage Temperature: -40 ° C to + 85 ° C Protection Grade: IP67, can work in 1m underwater position, excellent anti fog functionApplication: Can be installed in the central control position of your RV yacht or engineering vehicle, only 210x160mm unit area is required, which greatly saves space, and know status of the engine at any time through the data of the panelApplicable: Can be used in engines, generator sets, RVs, yachts, fishing boats, ships, engineering machinery, agricultural machinery, modified vehicles and other fields Installation Instructions: 1. Open holes 200x150mm in the central control pre installation position 2. Put the dashboard into the open hole, and connect the power harness and sensor harness on the back of the dashboard in turn (please check the instruction manual for the order of the cable, it is recommended to find a professional electrician to assist in installation) 3. Fix the panel with screws Package List: 1 x Tachometer Instrument Panel2 x Key1 x Manual